Car HID Xenon Telescopic Light Conversion Kit High/Low Beams (12V,35W) - 2 pcs HID 698 Ballasts and 2 pcs H4 Xenon HID Telescopic Lights Bulbs Lamps 6000K Diamond White --- The ballast is not suitable for the Germany car,for example:BMW,AUDI,Volkswagen,Mercedes-Benz and so on